document.write( "Question 127719: Hey i have a question i don't know how to do this problems can you help me here it is it is about substitution ok.\r
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document.write( "1) y=5x-10
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document.write( " y=3x+8 \n" );
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Algebra.Com's Answer #93567 by edjones(8007) You can put this solution on YOUR website! y=5x-10 \n" ); document.write( "y=3x+8 \n" ); document.write( ". \n" ); document.write( "5x-10=3x+8 \n" ); document.write( "5x-3x-10+10=3x-3x+8+10 \n" ); document.write( "2x=18 \n" ); document.write( "x=9 \n" ); document.write( "y=45-10=35 \n" ); document.write( ". \n" ); document.write( "Check: \n" ); document.write( "y=27+8 true \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |